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ISSN 0188-2198 (Print)

1999, Number 2

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Rev Mex Cardiol 1999; 10 (2)

Mitral valve reconstruction in rheumatic patient. Experience with polytetrafluoroethylene ring

García-Villarreal OA, Rodríguez-González H, Gutiérrez-López A, Treviño-Treviño AJ, Hernández-Hernández JM, Gouveia AB

Language: Spanish
References: 31
Page: 64-69
PDF size: 211.65 Kb.


ABSTRACT

Objective: To show the preliminar experience using the polytetrafluoroethylene ring, as a crucial part of the surgical technique for mitral reconstruction in rheumatic disease. Methods: From August 1996 to June 1999, 18 patients were underwent mitral reconstruction, aged 2 to 54 years (mean, 37.4 years). Fifty percent had pure mitral regurgitation, and 50% mitral regurgitation and stenosis. Etiology was rheumatic in 72.2%. Preoperative echocardiography showed mitral regurgitation grade 2 + in 11.1%, 3 + in 72.2%, and 4 + in 16.7%. Surgical technique for reparation always included the use of the polytetrafluoroethylene flexible ring. Results: There was no operative mortality. Residual mitral regurgitation was grade 0 in 38.8%, and 1 + in 61.2%. Mitral valvular area was 2.52 ± 0.48 cm2. There was no case of systolic anterior motion. Postoperative follow-up was 11.01 months (range 3 years to 1 month). New York Heart Association functional class improved clearly in all cases, without recurrence or progression of residual mitral regurgitation. Conclusions: Preliminary, we think that polytetrafluoroethylene ring offers a sure and efficient alternative for mitral reconstruction, even in patients with valvular disease of rheumatic origin.


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